Definition

A condition where a person walks or performs other activities while asleep, often without being aware of it.

Example

During somnambulation, she walked around the house without realizing it.

Conversation

Did you hear about my brother's recent episode of somnambulation?

No way! What happened?

He got up in the middle of the night and walked into the living room.

That's hilarious! I hope he wasn't too surprised when he woke up.

Synonyms & Antonyms

Root Explanation

Somnambulation is formed from "somnus" (meaning sleep) and "ambulare" (meaning to walk). The word describes the act of walking while in a state of sleep.

Memory Tip

Imagine someone 'walking' ('ambulare') while they are still 'asleep' ('somnus') — that's what somnambulation means.

Visually Confused Words