Day 833 - 100% sleep score II - https://golifelog.com/posts/100percent-sleep-score-ii-1681348558719

Hit 100% sleep score again! My second time ever. But I kinda brute forced into it by sleep in for 9.5h due to a bad bout of seasonal flu. I definitely needed the rest.

But getting 100 again just re-demonstraed to me again that despite all the sophisticated sleep biohacking techniques and tools I use, the fundamentals of great sleep can be super simple: Just sleep enough hours. Well at least one of the fundamentals.

Do that, and many of the other sleep hacks are just secondary and complementary, like these recent ones I learned:

- A 10-20min nap or non-sleep deep rest (NSDR) have both been shown to replenish physical energy and increase cognitive function. NSDR, however, also increases striatal dopamine and improves one's self-directed relaxation ability, which in turn improves sleep. Source: [Andrew Huberman](https://m.facebook.com/story.php?story_fbid=540927514852493&id=100068057464113&mibextid=qC1gEa). I always naps were better than NSDR, but looks like this NSDR thing could be worth practising more in.

- How the cultural practice of couples sleeping in the same bed is way overrated. We should normalise having sleep arrangements that work for individuals sleep profiles/patterns while not moral guilt-tripping couples into thinking that's bad for romance/relationship. Source: [r/sleep](https://www.reddit.com/r/sleep/comments/11vffo3/sleeping_in_the_same_bed_as_my_bf_is_agonizing).

- How a sleep-optimised day looks like:
- Regular waking time
- Get morning sun
- get morning exercise
- Caffeine shut off point around 2pm
- View evening sun
- Dark mode, limit screentime
- Keep bedroom cool
- Regular bedtime
- 8h of sleep

- Cognitive impairment from sleep deprivation is like drinking alcohol. β€œOne night of low-quality sleep impairs your brain function as if you had a few drinks –– and if you go a full night without sleep, your mental performance drops as if you had a blood alcohol content of 0.10, which is well over the legal limit for driving.” Source: [Dave Asprey](https://daveasprey.com/how-stress-ruins-your-sleep/).

- Interesting new sleep supplement stack, which I only tried magneisum so far:
- Theanine for focus and sleep
- Inositol for relaxation and deep sleep
- Magnesium for sleep latency, reduces sleep awakening and increases melatonin
- Glycine for lower body temperature, sleep latency and better quality sleep

- My own sleep stack recently had evolved:
- πŸ’€ 5 sleep cycles nightly
- 🍽 Light/no dinner
- 🚰 Less water in evenings
- πŸ’Š Magnesium L-Threonate
- πŸ‹οΈ Getting the body tired enough - exercise
- ☒️ Quantum sleep
- πŸ˜ͺ Less stress
- βš“οΈ Stable routines

- Sleeping after midnight is bad. β€œEvery hour of sleep before midnight is worth two after midnight.” Source: [Time.com](https://time.com/3183183/best-time-to-sleep/)
John Koo

How do you measure the sleep score? Is there an app for this?

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Jason Leow Author

Yes I use this iOS app called Sleep Cycle. Set phone to airplane, start the app, and put beside pillow during sleep. Apple Watch and other wearables have sleep tracking apps too.

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