Thesaurus.com
Dictionary.com
Showing results for sleepless. Search instead for slipless.
Definitions

sleepless

[sleep-lis] / ˈslip lɪs /
ADJECTIVE
insomniac, restless
Synonyms
STRONGEST
fidgety
WEAK
active alert antsy anxious bustling edgy fidgeting jumpy nervous on edge strung-out tossing and turning troubled unsettled wakeful wide-awake wired worried

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.