Answer: waterbed

AnswerCrossword Clue
WATERBED

No place for sleepers who get seasick?

WATERBED

A place to which to retire, maybe

WATERBED

Mattress alternative

WATERBED
Sloshy sleeping site
WATERBED
Place to get rocked to sleep?
WATERBEDHeatable mattress
WATERBEDAqueous resting place
WATERBEDChoice for a Wave's boudoir?
WATERBEDIt can rock you to sleep
WATERBEDIt may rock you to sleep
WATERBEDIt's springless
WATERBEDSpot for a swell sleep?
WATERBEDLiquid-filled sack?
WATERBEDArticle of furniture first used for medical purposes