Examlex
For what development was the physicist Walter Heisenberg most noted?
Nightmares
Disturbing dreams that can cause feelings of fear, terror, or anxiety, often waking the sleeper.
Psychological Problems
A wide range of mental, emotional, and behavioral issues that can affect individuals' ability to function and lead a healthy life.
Insomnia
A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing restorative sleep.
Helpful Hints
Advice or information given to assist someone in making decisions, solving problems, or understanding concepts more easily.