insomnia-n; 1 Senses

Sense Number 1: habitual sleeplessness, inability to sleep

Commentary: INSOMNIA[+state][+physiological][+habitual][+sleeplessness]

Examples:
Warm milk before bedtime is good for preventing insomnia.
Mary's insomnia led to hours of reading and writing through the night.

Mappings:
WordNet 3.0 Sense Numbers: 1