I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
Fine. I'd like to reserve one for next Tuesday.
好。我想预定一辆,下星期二用。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.