Lark
Lark
Lark (/lɑːrk/), in the medical context, refers to a person who is naturally more alert and productive in the morning, as opposed to an owl, who is more active and alert in the evening or at night. The term originates from the behavior of the lark bird, which is known to start its day very early.
Etymology
The term 'lark' in this context is derived from the early-rising habits of the lark bird. The usage of 'lark' to refer to a morning person dates back to the late 19th century.
Related Terms
- Chronotype: The behavioral manifestation of underlying circadian rhythms of myriad physical processes. A person's chronotype is the propensity for the individual to sleep at a particular time during a 24-hour period.
- Owl: A person who tends to stay up until late at night and prefers to sleep in later in the morning. This is the opposite of a lark.
- Circadian rhythm: Physical, mental, and behavioral changes that follow a daily cycle. They respond primarily to light and darkness in an organism's environment.
- Sleep hygiene: The practice of following guidelines and habits aimed at maximizing one's sleep quality and daytime alertness.
- Sleep disorder: A medical disorder of the sleep patterns. It can be serious enough to interfere with normal physical, mental, social and emotional functioning.
See Also
- Sleep medicine
- Sleep deprivation
- Insomnia
- Delayed sleep phase disorder
- Advanced sleep phase disorder
External links
- Medical encyclopedia article on Lark
- Wikipedia's article - Lark
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