Toddler keeps waking up

My 2.5 year old has her own room sleeps in her own bed she keeps waking up at random times crying mommy when I go In she’s pointing at something I can’t see crying idk what to do😭😭 it’s a light on in her room a mini lamp so that it’s not dark but she still points at things crying … I jus took her out and laid her down with me. what to do ?! Has anyone gone through this?