Showing 33–44 of 44 resultsSorted by latest
Sleep-wake balance overview maps circadian alertness and homeostatic sleep pressure across the day, key elements, alertness curve, sleep window, battery drive icons. Doodle style diagram
1 × €7.99 
Advanced sleep phase brief diagram shows circadian shift to earlier sleep-wake times, comparing timelines, key visuals, timeline, bed, alarm clock. Outline diagram
1 × €7.99 
Healthy sleep schedule concept uses a day night clock and routine icons sunlight, exercise, caffeine cutoff, blue light control, set bedtime, key objects, clock, phone, bed. Outline diagram
1 × €7.99 
Biological clock circadian rhythm explained in a 24 hour wheel with circular clock, brain, and sun moon icons showing sleep, hormones, and alertness cycles. Outline diagram
1 × €7.99 
Body clock brief maps circadian rhythm across 24 hours with human silhouette, clock ring, and arrows highlighting sleep, alertness, and temperature cycles. Doodle style diagram
1 × €7.99 Subtotal: €39.95
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