Why do I keep waking up at 2am – and how do I get back to sleep?

The article discusses the common issue of waking up in the middle of the night, known as "maintenance insomnia." The author describes their experience of falling asleep easily but then waking up around 2 AM, often due to worrying about various issues. While they typically return to sleep within an hour, they feel groggy in the morning, wishing they had more uninterrupted sleep. The article highlights that it is common for people to wake up during the night, but the issue arises when they have trouble falling back asleep, a condition known as maintenance insomnia. The article suggests that this middle-of-the-night wakefulness is often caused by stress or anxiety about work, family, or other concerns.
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