Alcohol is often used as a sleep aid—with some people crediting a “nightcap” with helping them fall asleep more easily. But while it might be nice to unwind after a long day with a glass of wine or a beer, alcohol may not be as beneficial for sleep as some think. In fact, it may actually lead to a worse night’s sleep overall.

“Saturday Night Fever” hit the silver screen in 1977 and epitomized the culture of the time. Disco music, flared trousers and pure escapism. Saturdays remain the most popular night for going out, although it has very much moved on from the days of John Travolta and bell-bottoms. But the pleasure-seeking lifestyle has remained and spawned a collection of what might be referred to as the “Saturday night conditions.”