/rest/verb:

cease work or movement in order to relax, refresh oneself, or recover strength

similar: relax, take a rest, ease up/off, let up, slow down, pause, have/take a break, unbend, repose, laze, idle, loaf, do nothing, take time off, slack off, unwind, recharge one's batteries, be at leisure, take it easy, sit back, sit down, lounge, luxuriate, loll, slump, flopput one's feet up, lie down, go to bed, have/take a nap, nap, catnap, doze, have/take a siesta, drowse, sleep, de-stress, take five, have/take a breather, veg out, snooze, get some shut-eye, chill out, kick back, catch some Zs, slumber...