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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @Hudson23299165 Sleeping heart rate is 47-50 bpm, most influenced by the last time I ate and total daily calories. If I eat 500 additional calories during the day my sleep RHR will increase by 10-15%.

    Aug 15, 2024 44 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    DD is shifting the Overton window.

    8M-subscriber Sci Show (co-founded by Hank Green) has a new video "Do We Have to Die".

    Intro: “So, do we have to die? We might be decades away from a yes or no answer to that question, if we ever find one. But the search might inform ways to…

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    Aug 15, 2024 200 3 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    11/ Improving sleep is a journey. Take it one step at a time and start by focusing on reshaping your relationship with sleep.

    You've got this.

    Sleep well.

    If you want my free sleep checklist to track your progress:

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    Aug 15, 2024 373 21 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    12/ Many of our social activities currently take place late at night, usually after most people's bedtimes.

    It's within our power to reset norms so that we can do fun things together, like music festivals, dinners and dance parties, and still get great sleep.

    I stayed out late…

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    Aug 15, 2024 318 11 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    9/ Get Sunlight Within 15 Min of Waking

    Get outside within the first 15-30 minutes of waking to set your circadian rhythm and boost mood.

    If you’re up before the sunrise, use a 10,000 lux light

    Aug 15, 2024 351 9 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    10/ Track Your Sleep Metrics

    Metrics to follow: HRV, body temp, respiration rate, REM & deep sleep.

    I use Whoop and EightSleep. Other sleep trackers are fine too.

    + Experiment with bedtimes, routines, room temps & find what works
    + Track data across seasons and when traveling…

    Aug 15, 2024 241 7 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    8/ Curate a Peaceful Sleep Environment

    + Keep your room cool, dark, and quiet
    + Avoid working from your bed
    + The bed is for sleep and sex

    Consider a noise machine or earplugs to offset environmental sounds.

    Aug 15, 2024 261 8 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    7/ After Sun Down, Minimize Evening Light

    Blue light suppresses melatonin secretion and can disrupt your circadian rhythm. Other types of light can also impact melatonin to varying degrees.

    + Install dimmer switches and use low, warm lighting
    + Wear blue light-blocking glasses…

    Aug 15, 2024 283 15 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    7/ Regulate Your Bedroom Temperature:

    + Explore your ideal bedroom temperature 60-77°F (15-25°C).
    + Consider a temperature controlled mattress to regulate bed surface temp
    + Use breathable cotton or linen sheets and lightweight sleepwear
    + Consider taking a warm bath before…

    Aug 15, 2024 247 6 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    5/ Discontinue Stimulants After Noon

    Try to avoid caffeine and other stimulants well before sleep.

    + Skip alcohol near bedtime - it disrupts sleep
    + Each person has a unique tolerance to stimulants so find your right cut-off time
    + Avoid high arousal settings close to bedtime

    Aug 15, 2024 281 8 View on X
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