Looking at TV, laptop and cellphone screens right before going to bed can be detrimental, sleep expert says.
Looking at TV, laptop and cellphone screens right before going to bed can be detrimental, sleep expert says. Rex C. Curry Rex C. Curry/Dallas Morning News/MCT
Looking at TV, laptop and cellphone screens right before going to bed can be detrimental, sleep expert says. Rex C. Curry Rex C. Curry/Dallas Morning News/MCT