Back BooksTakealotThe Sleep-Proof DayHow Light, Caffeine, Screens, Stress, and Routine Shape Your NightR 515.00Takealot ยท checked 5 days ago View at Takealot AverageR 515.00Lowest seenR 515.00Highest seenR 515.00Last changeR 0.00First indexed27 Sep 2026RetailerTakealotPrice history