#insomnia

Foggy, forgetful and running on four hours? How poor sleep affects memory and dementia risk in midlife, what the evidence says, and what to do about it.

Short nights, loud snoring and 3am wake-ups can all push your blood pressure up. Here is what the evidence says, which signs matter and what to do about them.

Poor sleep does more than make you grumpy. It nudges up your weight, your blood pressure and your testosterone problems. Here is what works to fix it.