3 2 1 rule?

The "3 2 1 rule" described by Andrew Huberman relates to optimizing sleep quality. Here’s a breakdown of the rule:

• 3 Hours Before Bed: Stop consuming food. Avoid meals close to bedtime to prevent potential sleep disruptions.
• 2 Hours Before Bed: Stop consuming caffeine and alcohol. These substances can interfere with your ability to fall and stay asleep.
• 1 Hour Before Bed: Limit screen time and use of bright lights. Dim your lights and engage in calming activities to prepare your body for sleep.

This rule helps create a conducive environment for sleep and improves overall sleep hygiene by establishing a nighttime routine that promotes relaxation and readiness for rest.