deep sleep
2 statements across 2 episodes · 0 bullish · 2 bearish · 2 people on the record · first statement Feb 22, 2022 by Dr. Matt Walker · across every show →
Everything said about deep sleep, oldest first
Feb 22, 2022 negative
Walker: Evening coffee can cut deep sleep by 20% to 40%
“What you don't realize is that caffeine can actually decrease the amount of deep sleep that you're getting, stages three and four. And in fact, what we found is that even just one to two cups of coffee in the early or late evening can decrease the amount of yo…”
Dec 24, 2024 negative
Johnson: Eating dinner at 5 PM halves deep and REM sleep
“When I eat my last meal of the day, I have all my digestion finished. So when I go to bed, my resting heart rate is around 46 beats per minute. And if it's a 46, I'm going to have a perfect night's sleep. If I eat at five PM or six PM, then my resting heart ra…”