Examlex
A concave mirror has a 12 cm tall object placed 40 cm in front of it. An image forms 60 cm in front of the mirror. What is the size and orientation of the image?
Dreamless Sleep
A phase of sleep where the sleeper does not report dreams upon awakening.
Restorative Theory
A theory suggesting that sleep is necessary for the restoration of physical and psychological health and well-being.
Circadian Theory
A theory that explains the 24-hour cycle in the physiological processes of living beings, including humans, affecting sleep-wake patterns and hormonal releases.
Wears and Tears
The physical and psychological damage or deterioration caused by continuous use or stress over time.
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