sleep
Why Sleep Is a Cornerstone of Metabolic Health
Consistent, sufficient sleep supports appetite regulation, energy and recovery. Here's what the evidence suggests.
Dr. Anaya Rao Reviewed by Dr. Meera Iyer, MD February 10, 2025 6 min read
Sleep is often the first thing we sacrifice and the last thing we prioritize. Yet research consistently links adequate sleep with better appetite regulation, mood and day-to-day energy.
How much do most adults need? Most adults feel and function best with 7–9 hours of sleep. Individual needs vary, and quality matters as much as quantity.
Practical steps that help - Keep a consistent sleep and wake time, even on weekends. - Get natural light exposure in the morning. - Limit caffeine after early afternoon. - Wind down with a screen-light routine 30–60 minutes before bed.
A note on expectations Sleep is one input among many. If you regularly struggle with sleep, or feel excessively tired during the day, speak with a qualified healthcare professional.
References
- Sleep Foundation — Sleep and Overall Health
- CDC — Sleep and Sleep Disorders
Last updated June 1, 2025
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