# How Much Sleep You Need to Function During the Day, According to a Doctor

A doctor provides guidance on the amount of sleep people require to stay alert and productive throughout the day. The advice covers general recommendations and factors that influence individual sleep needs. Understanding proper sleep duration is important for maintaining health and cognitive function.

**Importance:** 1/5

## Sources

### Health
- [NPR Health](https://www.npr.org/2026/07/24/nx-s1-5904553/a-doctor-shares-how-much-sleep-people-need-to-function-through-the-day) — Fri, 24 Jul 2026 04:41:43 -0400