Cliché #136: timestamps aren't used so you go from one scene to another without warning

Melissa sighed in content as she finally turned off her room lights and went under the covers of her bed, snuggling her favorite stuffed teddy bear, Ronald.

"Melissa! I see you haven't been paying attention. Answer this question for the class," Mr. Pricke said with his nose upturned and hands on his hips. The girl in question simply rolled her eyes and got up from her desk.

Bitch wut I need a warning pls