I'm losing sleep over this.

Meaning

I'm so worried about something that I can't sleep.

Examples

• John: 'I've been tossing and turning all night worrying about the exam.'<br>
• Alice: 'I understand. I'm <b>losing sleep over this</b> presentation myself.'
• John: 'I know the feeling. <b>I'm losing sleep over this</b> as well.'
• Alice: 'The upcoming deadline is keeping me awake at night.'<br>