"Winter slumber" refers to a deep sleep or rest that happens during the winter season. It suggests a time of hibernation or relaxation when nature and some animals take a break or slow down because of the cold weather. Full definition
Yesterday, Tom Reynolds — National Republican Congressional Committee chair, Mark Foley cover - upper, and part - time youth exploiter — arose from his premature winter slumber, shook off the cobwebs, and reassured voters with this helpful cliché. (nymag.com)
When Cuyana asked me to host their first ever winter slumber party, I couldn't say yes fast enough. (angelfoodstyle.com)
A spurt in the price of a key base metal is awakening some B.C. mine projects from a winter slumber and -LSB-...] (miningrecruitmentgroup.com)