Examlex
Which of the following sets is comprised exclusively of covalent binary compounds?
Present Focus
The practice or skill of being present and fully engaged with the current moment or task without distraction.
Sleep Terror
A sleep disorder causing feelings of panic or dread typically occurring during the first hours of stage 3-4 non-REM sleep and often accompanied by loud screams or physical activity.
Apnea
A temporary cessation of breathing, especially during sleep, which can lead to serious health complications if untreated.
Nightmare
A disturbing dream associated with negative feelings, such as anxiety or fear, that awakens the sleeper.
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