Want to Slow Your Biological Aging? Sleeping 6.4 to 7.8 Hours a Night May Help

A recent study found that getting too little or too much sleep may accelerate the biological aging of the brain and other organs.

May 17, 2026   TODAY’S TOP STORY Want to Slow Your Biological Aging? Sleeping 6.4 to 7.8 Hours a Night May Help READ ON   Does Eating Too Many Chia Seeds Cause Side Effects? READ ON   How Many Calories Do I Burn in a Day? READ ON   What Are Your Treatment Options for Peyronie’s Disease? READ ON MORE STORIES PRODUCT PICK Home Essentials for Anxiety and Depression   Our guide to small, comforting home upgrades — from meal times to bedtime — to help manage anxiety and depression. SHOP NOW TODAY'S RESOURCE Prevent & Detect Melanoma   Join our 2-day email series and learn how to keep yourself and your skin safe from this cancer. SIGN UP NOW What we’re reading next • Diarrhea, Stomach Upset, and Other Side Effects of a Flu Shot • What Causes Hair Breakage and How to Prevent It • Quiz: Are You a Skin Care Pro? • What Can Cause Dizziness and Sweating? We'd love to hear from you! Send us a message at newsletters@healthline.com to let us know what else you’d like to see. Until then, Take care of yourself, and we’ll see you again soon! View in browser Did a friend send you this email? Subscribe here. To see all newsletters, click here. Privacy   |   Unsubscribe We may feature your messages to our inbox within our content. Please do not provide any personal identifiable information. Replies may be edited for length and clarity. For more, see our Privacy Policy. Our website services, content, and products are for informational purposes only. Healthline does not provide medical advice, diagnosis, or treatment and should not be used as a substitute for medical advice from a healthcare professional. Healthline encourages you to make any treatment decisions with your healthcare professional. Every product we recommend has gone through either Healthline’s or Optum Now’s vetting processes. If you buy through links on this page, we may receive a small commission or other tangible benefit. Healthline has sole editorial control over this newsletter. Potential uses for the products listed here are not health claims made by the manufacturers. Healthline and Optum Now are owned by RVO Health. © 2026 RVO Health 1101 Red Ventures Drive Fort Mill, SC 29707