Answer :
For the greatest recharge to the body, naps should last about b) 20-25 minutes.
This duration allows you to enter a light stage of sleep and avoid the grogginess of deeper sleep stages. These short naps can improve alertness and performance.
Research shows that naps within this duration are beneficial as they allow you to enter a light stage of sleep without progressing into deeper sleep stages, which can cause grogginess upon waking.
Short naps like these, often referred to as 'power naps,' can greatly improve alertness and performance.