How Many Hours Before Bed Should I Stop Caffeine?
Research suggests caffeine taken even six hours before bed can reduce sleep. A practical cutoff is at least eight hours before bedtime, adjusted to your sensitivity.
Updated
Sleep
How to fall asleep faster, sleep deeper and wake up rested — timing, environment, and what actually helps.
Protocols & questions
-
-
What Is the Best Bedroom Temperature for Sleep?
Most sleep research points to a cool bedroom, roughly 18–20 °C (65–68 °F), because a falling core body temperature helps initiate and maintain sleep.
Updated
-
What Is the Best Time to Take Magnesium for Sleep?
When studies gave magnesium for sleep, they typically used it in the evening. Here is how timing, forms and dosing have been handled in the research.
Updated
Comparisons
-
Oura vs Whoop for Sleep Tracking: Which Is Better?
A neutral comparison of the Oura ring and the Whoop band for sleep tracking: form factor, metrics, subscription costs and accuracy caveats.
Updated