Nightlife is the collective term for any entertainment

Entertainment

Entertainment consists of any activity which provides a diversion or permits people to amuse themselves in their leisure time. Entertainment is generally passive, such as watching opera or a movie. Active forms of amusement, such as sports, are more often considered to be recreation...

 that is available and more popular from the late evening into the early hours of the morning. It includes the public house

Public house

A public house, informally known as a pub, is a drinking establishment fundamental to the culture of Britain, Ireland, Australia and New Zealand. There are approximately 53,500 public houses in the United Kingdom. This number has been declining every year, so that nearly half of the smaller...

s, nightclub

Nightclub

A nightclub is an entertainment venue which usually operates late into the night...

s, discothèques, bars

Bar (establishment)

A bar is a business establishment that serves alcoholic drinks — beer, wine, liquor, and cocktails — for consumption on the premises.Bars provide stools or chairs that are placed at tables or counters for their patrons. Some bars have entertainment on a stage, such as a live band, comedians, go-go...

, live music

Music

Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

, concert

Concert

A concert is a live performance before an audience. The performance may be by a single musician, sometimes then called a recital, or by a musical ensemble, such as an orchestra, a choir, or a musical band...

, cabaret

Cabaret

Cabaret is a form, or place, of entertainment featuring comedy, song, dance, and theatre, distinguished mainly by the performance venue: a restaurant or nightclub with a stage for performances and the audience sitting at tables watching the performance, as introduced by a master of ceremonies or...

, small theatres, small cinemas, shows, and sometimes restaurant

Restaurant

A restaurant is an establishment which prepares and serves food and drink to customers in return for money. Meals are generally served and eaten on premises, but many restaurants also offer take-out and food delivery services...

s a specific area may have; these venues often require cover charge

Cover charge

At bars and nightclubs, or restaurants with live entertainment a flat fee for entry, sometimes known as a cover charge, is made, in addition to payment for food and drink...

 for admission, and make their money on alcoholic beverage

Alcoholic beverage

An alcoholic beverage is a drink containing ethanol, commonly known as alcohol. Alcoholic beverages are divided into three general classes: beers, wines, and spirits. They are legally consumed in most countries, and over 100 countries have laws regulating their production, sale, and consumption...

s. Nightlife encompasses entertainment from the fairly tame to the risque to the seedy.