Don't use the phone again after 10 p.m., that's why.

People who fail to follow the pace of their bodies are more likely to have depression and mental - health problems, according to a study that surveyed 91 thousand people in England.

Those less active during the day and more active or worried at night are in danger of increasing depression, bipolar disorders, and a bad mood.

Glasgow University researchers say that division in normal circulation rates, which work in a 24-hour sleep cycle, is accompanied by a greater sensitivity to mood disorders.

Those attending had their level of activity monitored over a week.

Professor Daniel Smith said: “A healthy pace should be active during the day and inactive at night. This is an important study showing the powerful connection between the interrupted pace of circulation and mood disorders. ”

The study also revealed that people who choose to stay up during the night working or using their mobile phone are likely to feel lonely and less happy, so it is suggested that the activity be completed by about 10.