A study identified five sleep types that could be linked to mental well-being, bedtime habits and brain activity. The findings could help improve clinical treatments.

Sometimes life imitates art, in that order, and Jean Smart’s character on “Hacks” this past season is providing a strange, retroactive parallel to what’s been going on in the real-life world of ...

The late night talk show host is staying booked and busy, even as the months wind down for his “Late Show with Stephen Colbert.” It was announced in July by CBS that the show would be ending in May ...

As news was breaking of Jimmy Kimmel’s late-night show being suspended, guests booked on Wednesday’s episode were already on ...