There are potential downsides to daytime dozing. A study published last year in the Obesity Research Journal found that long nappers tended to have a higher body mass index, larger waist ...

Some swear by their regenerative powers – but daytime naps of more than an hour can raise the risk of a stroke by almost a ...

Some swear by their regenerative powers – but daytime naps of more than an hour can raise the risk of a stroke by almost a quarter, a study says. While dozing for 30 to 40 minutes can boost ...