Antonyms of adj restful

1 sense of restful

Sense 1
restful (vs. restless), reposeful, relaxing -- (affording physical or mental rest; "she spent a restful night at home")

restless (vs. restful), uneasy -- (lacking or not affording physical or mental rest; "a restless night"; "she fell into an uneasy sleep")

Similarity of adj restful

1 sense of restful

Sense 1
restful (vs. restless), reposeful, relaxing -- (affording physical or mental rest; "she spent a restful night at home")
       => slumberous, slumbrous -- (quiet and tranquil; "a slumberous June morning")