To sleep well and efficiently whenever you try to is very important to feel and perform well.

Top 1 Nootropics

The following are nootropics for improving sleep that have the most promising evidence.

  1. Caffeine

How to measure your sleep

The following are psychological tests that can be performed to measure specific aspects of sleep. Some of these tests may also measure things other than sleep. Under each test there is a list of data points that can be collected from the test. We have marked the specific data points that you can use as measures of sleep.