Potential Sleep Saboteurs: 8 Factors That Could Be Keeping You Awake at Night

Mental illness and stress

Insomnia is both a symptom and a cause of depression and anxiety. Since the brain uses the same neurotransmitters for sleep and mood, it's often hard to know which starts first. Stressful situations or events, such as money or marital problems, often kick off insomnia that can become a long-term problem.

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