Singer Bebe Rexha revealed Monday that she was diagnosed with bipolar disorder.

Rexha, 29, explained in an emotional tweet that she couldn’t figure out why she “felt so sick.”

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“Why I felt lows that made me not want to leave my house or be around people and why I felt highs that wouldn’t let me sleep, wouldn’t let me stop working or creating music. Now I know why,” the “Say My Name” singer wrote.

In a follow-up tweet, Rexha revealed she is bipolar and she is “not ashamed anymore.”

Rexha said she hoped her fans could accept her as she is.

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“I don’t want you to feel sorry for me. I just want you to accept me. That’s all. Love you,” she concluded.

The National Institute of Mental Health describes bipolar disorder as a “brain disorder that causes unusual shifts in mood, energy, activity levels, and the ability to carry out day-to-day tasks.”