Sleep experts share how frequently sleeplessness needs to happen to be classified as a chronic issue, reports the Huffington Post.

“Mood and sleep walk hand in hand,” Peters-Mathews said. “Poor sleep can contribute to mood disorders like anxiety, depression and irritability. This relationship can become a vicious circle that worsens sleep.”

This is where it can get tricky ― pinpointing whether you think you’re suffering from insomnia or anxiety ― especially because anxiety tends to exacerbate insomnia.

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