Avoid high intensity exercise 4 hours before sleep.

Well SupportedBryan Johnson trains every day and deviating from his protocol causes him to feel the effects strongly.

Well SupportedWorking out in the afternoon may be more beneficial for physical performance and output compared to morning workouts.

Partially SupportedLate-night high-intensity exercise can lead to delayed sleep onset, shorter sleep duration, lower sleep quality, higher resting heart rate, and decreased HRV.

Not SupportedHigh-intensity exercise performed within 4 hours of bedtime can significantly impair sleep quality and recovery.

Partially Supported