If you want a good, restful night’s sleep, then skip the night cap.

As professor of psychology Richard Wiseman explains, having a drink before bed is fairly common and many people who suffer with insomnia rely on a glass of their favorite tipple before bed.

But drinking alcohol before going to sleep may actually inhibit you from falling into a deep sleep and when you wake up the next morning you may be groggy and tired.

To find out more about the science behind this theory, click here.