1 Circadian (adjective)
Relating to the body’s natural 24-hour sleep-wake cycle.
Hindi meaning: दैनिक जैविक चक्र
Synonyms: Daily, Diurnal, 24-hour, Biological
Antonyms: Irregular, Random, Aperiodic, Noncyclic
Example: Bright screens at night can disrupt your circadian rhythm and make it harder to sleep.
Trick: Think “circle + day” — circadian means the daily cycle that goes round and round in 24 hours.









