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between 7:00 p.m. and 8:30 p.m. An ideal wake-up time is between 6:00 a.m. and 8:30 a.m. Of course, individual variations in schedule
Violet Giannone RN • Baby Sleep Training in 7 Days: The Fastest Fix for Sleepless Nights

Last night I had a perfect night's sleep. It wasn't by mistake. I've built my life around getting high quality sleep. It feels amazing; the best.
. asleep in 2 min
. sleep through the entire night / no wake events
. 2+ hr of each REM and Deep
. 43 bpm resting heart rate https://t.co/vm7U0y6dEL

You’re right, there is no evidence that 8 hours of sleep is the rule. But there is a ridiculous amount of evidence that 7 hours is.
The overwhelming amount of sleep epidemiological research shows a U- or J-shaped curve with sleep and lifespan, with the sweet spot being consistently 7-hours of sleep.
___L... See more



3 wearables. 3 vastly different data points.
How much did I actually sleep?
Super bullish on where health tech is going, but need to feel confident my data is accurate and useful. https://t.co/peXGyVs7RR
Up to a 30-minute difference rarely has any impact on sleep.
Violet Giannone RN • Baby Sleep Training in 7 Days: The Fastest Fix for Sleepless Nights



Stop what you're doing right now and check the sleep data from your wearable to assess your brain’s potential amyloid plaque burden.
This is from a new paper that was just published.
Instructions:
1. identify the time you fell asleep.
2. mark when you had your ... See more
School-age children (6–13): 9–11 hours Teenagers (14–17): 8–10 hours Young adults (18–25): 7–9 hours Adults (26–64): 7–9 hours