insomnia

"His insomnia made him miss the morning bus since he overslept after finally falling asleep at dawn"

"She reads a book when she has insomnia"

"Do you ever struggle with insomnia and find it hard to fall asleep at night?"

"I feel so frustrated and exhausted because my insomnia kept me awake all night"

"If your insomnia persists, please consult a doctor for proper treatment"