1. Sleep inducing
   - soporific, soporiferous, somnific, hypnogogic, hypnagogic

See also: depressant

• exogenous obesity
• exomphalos
• exon
• exonerate
• exonerated
• exoneration
• exonerative
• exonuclease
• exophthalmia
• exophthalmic goiter
• exophthalmos
• exoplanet
• Exopterygota
• exorbitance
• exorbitant
• exorbitantly
• exorcise
• saddled
• saddled-shaped false morel
• saddler
• saddlery
• saddo
• Sadducean
• Sadducee
• Sade