The First Night Effect: A Sleep Deprivation Paradox in Familiar Territory The notion that our brains are wired to remain vigilant in unfamiliar environments has been a topic of interest among researchers for years, particularly when it comes to sleep patterns.
While some attribute this phenomenon to evolutionary adaptation, the reality is more complex. For many people, the first night effect – where one sleeps less and with less depth in a new place – is a common experience.
The phenomenon has been extensively studied, with sleep specialists attributing it to the brain's heightened sense of alertness in novel surroundings.