Examlex
A self-selection bias occurs when respondents intentionally or unintentionally provide information that misrepresents the truth.
Wristwatch-Like Device
A portable, wearable gadget, typically electronic and worn on the wrist, resembling a watch but often capable of performing various functions beyond timekeeping.
Stress
A physical and emotional response to a challenge or demand, often perceived as a threat, which can affect mental and physical health.
Sleep Problems
Issues related to sleeping, such as insomnia, sleep apnea, or narcolepsy, affecting the quality or duration of sleep.
K-Complex
A waveform pattern observed in EEG signals, characteristically seen during stage 2 of NREM sleep.
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