The Woman Who Helps Athletes Sleep: Stop Having Showers Just Before Bed! New Science! ‘Nappucino’ Phenomenon You Need To Know!
Dr. Cheri Mah, a sleep doctor and performance expert, reveals how optimizing sleep significantly boosts performance, decision-making, and emotional regulation for athletes and professionals. She shares practical strategies for sleep environment, pre-sleep routines, nutrition, napping, and travel to enhance overall well-being.
Deep Dive Analysis
18 Topic Outline
Importance of Prioritizing Sleep for Overall Performance
Working with Elite Athletes and C-Suite Executives
Common Misconceptions About Sleep Needs and Quantity
Quantified Impact of Sleep Extension on Athletic Performance
Predicting NBA Game Outcomes Based on Sleep Schedules
Career-Changing Sleep Transformations in Professional Athletes
Optimizing Your Sleep Environment (Dark, Quiet, Cool)
Nutritional Strategies and Food Timing for Better Sleep
Techniques for Managing a Racing Mind and Activating Relaxation
Sleep's Profound Impact on Emotional Regulation and Cognitive Performance
The Concept and Repayment of Sleep Debt
Sleep's Role in Memory and Skill Consolidation
Effective Napping Strategies and Why to Avoid the Snooze Button
Understanding Sleep Chronotypes and School Start Times
Strategies for Minimizing Jet Lag and Travel Fatigue
Obstructive Sleep Apnea: Symptoms, Prevalence, and Treatment
Link Between Insufficient Sleep, Injury Risk, and Nighttime Awakenings
Alcohol's Significant Negative Impact on Sleep Quality
7 Key Concepts
Sleep Debt
Sleep debt refers to the accumulated hours of sleep your body misses when you consistently get less sleep than your individual requirement. This debt can be paid back through sleep extension, but it often takes more than just a single night or weekend of extra sleep to fully recover.
Parasympathetic Nervous System
This is the part of your nervous system that helps you relax and wind down, balancing the 'fight or flight' sympathetic system. Activating the parasympathetic system through practices like deep breathing or stretching helps physiologically prepare your body and brain for sleep.
Chronotypes
Chronotypes describe an individual's natural predisposition to either be a 'morning lark' (preferring to go to bed and wake up early) or an 'evening owl' (preferring to go to bed and wake up later). These natural tendencies influence optimal sleep schedules.
Obstructive Sleep Apnea
A very common sleep disorder where the airway experiences partial or full collapse during the night, leading to fragmented sleep. Symptoms include snoring, daytime tiredness, and frequent awakenings, and it can affect people of all body types.
Sleep Extension
This intervention involves intentionally increasing sleep duration, typically by getting additional hours of sleep over several days or weeks, to pay back accumulated sleep debt. It has been shown to improve reaction time, reduce fatigue, and enhance performance outcomes.
Sleep Inertia
Sleep inertia is the feeling of sluggishness and grogginess experienced upon waking, particularly from deeper stages of sleep after a longer nap. This state can impair performance and alertness immediately after waking.
Nappuccino
A strategy to boost alertness and performance, involving consuming a caffeinated beverage and then immediately taking a 20-30 minute power nap. The caffeine begins to kick in as you wake from the nap, providing a combined, enhanced effect.
10 Questions Answered
While the American Academy of Sleep Medicine recommends a minimum of seven hours, individual needs vary, and some people may require eight, nine, or more hours to feel well-rested and function at a high level.
Yes, even an extra 15 or 30 minutes of sleep per night can significantly add up over a week and has been shown to correlate with improved academic performance in studies.
Eating a large, fried, fatty, or heavy meal right before bed can disrupt sleep, but a light pre-sleep snack (like cereal and milk, cottage cheese and fruit, or whole wheat crackers with peanut butter) can prevent hunger-related awakenings.
When short on sleep, emotional regulation is impaired, leading individuals to respond more with innate emotions rather than strategic, tempered responses, affecting cognitive and behavioral control.
Deep sleep is associated with muscle recovery and regeneration due to a pulse of growth hormone, while REM sleep is crucial for the consolidation of learning, memory, and skill acquisition.
Short naps (15-30 minutes) can provide a boost in alertness and performance by keeping you in lighter stages of sleep, avoiding the sluggishness of 'sleep inertia' that comes from waking from deeper sleep.
Repeatedly hitting the snooze button fragments the last half-hour of sleep, interrupting valuable REM sleep that is crucial for learning and memory, making it better to wake up at your final alarm time.
Yes, occasional awakenings (e.g., to use the bathroom and quickly fall back asleep) are normal, as sleep cycles involve transitions between stages; however, frequent, prolonged, or disruptive awakenings should be investigated.
Moderate to high alcohol consumption is strongly associated with more fragmented sleep and increased nighttime awakenings, significantly impairing sleep quality.
While there isn't extensive literature, anecdotal evidence suggests sex can help some people consolidate sleep and feel better quality rest, and it is considered one of the two activities (along with sleep itself) that should occur in bed to strengthen the association of bed with rest.
21 Actionable Insights
1. Prioritize Sleep as a Foundation
Treat sufficient sleep as a fundamental investment, as it’s free, healthy, and safe, leading to clearer thinking, better decisions, improved mood, and higher productivity.
2. Gradually Extend Sleep Duration
If you’re underslept, incrementally increase your sleep by 15-30 minutes each night over several weeks; these small additions accumulate to significant improvements in performance and cognitive function.
3. Optimize Your Sleep Environment
Transform your bedroom into a ‘cave’ by making it dark (blackout curtains, eye mask), quiet (earplugs, white noise machine), cool (60-67°F or 16-20°C), and comfortable to promote deeper, more consistent sleep.
4. Implement a Pre-Sleep Wind-Down Routine
Develop a two-part system outside of bed in dim light, such as stretching and deep breathing to activate your parasympathetic system, followed by relaxing activities like reading, journaling, or creating a to-do list, to prepare your brain and body for sleep.
5. Time Hot Showers/Baths Strategically
Take hot showers or baths 1-2 hours before bed, rather than immediately beforehand, to allow your core body temperature to drop, which aids in falling asleep and enhances deep sleep for muscle recovery.
6. Choose Smart Pre-Sleep Snacks
If hunger strikes before bed, opt for a light snack combining a complex carbohydrate and lean protein (e.g., whole-grain cereal with milk, cottage cheese with fruit, or whole-wheat crackers with peanut butter) to prevent hunger-induced awakenings without disrupting sleep.
7. Avoid Sleep-Disrupting Foods & Drinks
Steer clear of heavy, fried, fatty, tomato-based, or sugary meals, as well as alcohol and caffeine, right before bed, as these can cause fragmented sleep, acid reflux, and metabolic strain.
8. Utilize Nappuccinos for Alertness
For a temporary boost in alertness and performance, drink a caffeinated beverage (like espresso) and immediately take a 20-30 minute power nap; the caffeine kicks in as you wake, providing combined benefits.
9. Keep Naps Short and Timed
Limit naps to 20-30 minutes to stay in lighter sleep stages, which provides an alertness boost without the grogginess of deeper sleep, and time them strategically for when you need an energy lift.
10. Eliminate the Snooze Button
Set your alarm for your actual wake-up time and resist hitting snooze multiple times; this maximizes consolidated REM sleep in the morning, which is crucial for learning and memory, instead of fragmented light sleep.
11. Reserve Your Bed for Sleep and Sex Only
Strengthen the brain’s association of your bed with rest by moving all other activities, such as working, using phones, or watching TV, outside the bedroom.
12. Address Snoring as a Health Concern
If you snore, consult your primary care doctor about a sleep study, as it could be a symptom of obstructive sleep apnea, a common disorder that severely fragments sleep and impairs daytime function.
13. Consistently Pay Back Sleep Debt
Understand that fully recovering from sleep debt takes more than just one night or a weekend; consistently extending your sleep for multiple weeks is needed to see significant improvements in cognitive function and fatigue levels.
14. Proactively ‘Pre-Load’ Sleep
If you anticipate a period of unavoidable sleep loss (e.g., for a big project), aim to get more than your usual sufficient sleep in the days leading up to it to build a buffer and mitigate negative impacts.
15. Align Your Schedule with Your Chronotype
If you identify as a ’night owl’ who naturally goes to bed and wakes up later, structure your daily commitments to accommodate this chronotype, allowing for natural wake-ups without an alarm whenever possible.
16. Prepare for Travel Sleep in Advance
Avoid ‘panic packing’ by preparing early, and ensure you get at least 7-8 hours of quality sleep for 1-2 days before traveling to minimize jet lag and travel fatigue.
17. Pre-Adjust Your Body Clock for Travel
For multi-time zone travel, gradually shift your bedtime and wake-up time by 30 minutes daily in the direction of your destination for a few days before departure, using morning sunlight to reinforce the shift.
18. Pack a Comprehensive Travel Sleep Kit
Equip yourself with an eye mask, earplugs, noise-canceling headphones, and a travel pillow to create an optimal sleep environment in non-ideal situations like airplanes or hotel rooms.
19. Hydrate and Avoid Stimulants During Flights
Drink plenty of water and minimize or eliminate alcohol and caffeine while flying, as dehydration and these substances can worsen jet lag and make it harder to acclimate to a new time zone.
20. Strategically Manage Light Exposure While Traveling
Seek or avoid sunlight at specific times based on your destination’s time zone and use sunglasses when avoiding light, as light is the most powerful signal for shifting your body clock.
21. Allow Acclimation Time Upon Arrival
Avoid scheduling critical meetings or maximal exercise immediately upon arriving in a new time zone; allow your body at least a day to readjust to minimize jet lag symptoms and reduce injury risk.
7 Key Quotes
If you don't sleep your best, you will not be your best. Or counter to that is if your sleep is best, you will be at your best.
Dr. Cheri Mah
Until you experience that, that difference and that life transformation of what it feels like to be well rested, then it can be a game changer. You never want to go back to it again when you're getting insufficient sleep.
Dr. Cheri Mah
I was 76 to 86% correct on accurately predicting when an NBA team will be at highest risk of losing strictly based on the schedule.
Dr. Cheri Mah
If I could offer you something that's free and healthy and safe, that's going to help you think more clearly, make better decisions, be in a better mood, be more productive and efficient, would you want it?
Dr. Cheri Mah
Sleep and sex are all that you want in bed. Everything else should be outside.
Dr. Cheri Mah
If you think about sleep as not the end of today, it's the beginning of tomorrow.
Dr. Cheri Mah
We make mistakes in life and we learn from them and we adapt and we, it can set us off in a different direction, but that ultimately is going to influence who we become, who we interact with, how we build a life forward.
Dr. Cheri Mah
2 Protocols
Andre Iguodala's Sleep Optimization
Dr. Cheri Mah- Improve sleep environment: make it dark (blackout curtains/eye mask), quiet (earplugs/white noise machine), and cool (around 67 degrees Fahrenheit).
- Remove technology from the bedroom to avoid exposure prior to bed.
- Implement a wind-down routine: read before bed to relax and prepare the brain and body.
- Manage a racing mind: stretch and process thoughts outside of bed (e.g., journaling, writing a to-do list) for 10 minutes in dim light.
- Shorten power naps to 20-30 minutes and time them closer to game time for a boost in alertness.
- Adjust nutritional choices, avoiding heavy meals right before bed.
- Extend overall sleep duration from under 7-7.5 hours to 8 hours or more to pay back accumulated sleep debt.
Jet Lag Minimization Strategy
Dr. Cheri Mah- Pre-flight: Avoid panic packing by preparing early to prevent cutting sleep short. Get at least 7 hours of sleep (or your optimal amount) for 1-2 days before travel to make jet lag less severe. For 3-hour time differences, start shifting your bedtime and wake-up time by 30 minutes earlier for 2-3 days, and get morning sunlight to reinforce the shift.
- In-flight: Hydrate throughout the flight. Start synchronizing your sleep and meal times to the new time zone schedule. Build a travel sleep kit including an eye mask, earplugs, noise-canceling headphones, and a travel pillow. Minimize or eliminate alcohol and caffeine.
- Post-flight: Seek light at appropriate times (use sunglasses to avoid light at other times) as it's the most powerful signal to shift your body clock. Allow at least one day to acclimate before important meetings or maximal exercise to reduce injury risk. Use caffeine and power naps strategically to combat alertness dips in the new time zone.