Jesper Bengtson
How many hours of sleep do you really need? The recommended amounts by age
The 2026 authoritative answer, from newborns to older adults.
Controlling three health risks could mean 13 more years without dementia
Three modifiable factors, one strikingly long window of extra brain-healthy time.
Feeling sleepy during the day may raise your blood pressure risk by over 50%
New research links a common sleep pattern to sharply elevated hypertension risk.
8 warning signs of Sjogren’s disease most people mistake for aging
Dry eyes, dry mouth and constant fatigue often get chalked up to midlife. They can be something else.
Catching up on lost sleep over the weekend may lower your risk of early death
A large new study challenges the popular claim that lost sleep cannot be recovered.
Letting your teenager sleep in on weekends may lower their risk of depression
New research ties weekend catch-up sleep to a 41 percent lower risk of teen depression symptoms.