Related Clues:

• Take five
• Gather one's strength
• Recuperate
• Get renewed
• Take a breather
• Prepare for a big day
• What to do before a big race, maybe
• Prepare for big things
• Get some shut-eye
• Conserve energy
• Take a break
• Get some sleep
• Recharge
• Get some shuteye, e.g.
• Regain one's strength