Hypnagogic Hallucination
False sensory perception(s) just before the onset of sleep (hypnagogia refers to the state between wakefulness and sleep).
Example: A man thinks he sees an old woman come through a locked door into his bedroom soon after he turns the light out.
APA Reference
Grinnell, R. (2016). Hypnagogic Hallucination. Psych Central. Retrieved on April 19, 2018, from https://psychcentral.com/encyclopedia/hypnagogic-hallucination/
Grinnell, R. (2016). Hypnagogic Hallucination. Psych Central. Retrieved on April 19, 2018, from https://psychcentral.com/encyclopedia/hypnagogic-hallucination/