Revive worn-out hair by blasting your roots. Lack of sleep dries out your mane, zapping volume. Massage a volumizing spray onto damp roots (try Victoria's Secret So Sexy Full-Bodied Volumizing Spray), then lift your roots with your fingers, and aim the blow-dryer at them as you style. "This traps air there, creating body," explains Kim Serratore, hairstylist for The Early Show. (page 227)