1. medical treatment that involves timing the administration of drugs or other therapies to coincide with the body’s natural biological rhythms
Usage: medical
2. treatment of sleep disorders by adjusting exposure to light and darkness to reset the body’s internal clock
Usage: medical; sleep medicine

Examples

• The cancer patient received chronotherapy with chemotherapy drugs administered at night when healthy cells were less active.
• Chronotherapy helped the shift worker adjust to a new sleep schedule by using bright light exposure.
• Doctors used chronotherapy to treat the patient’s seasonal depression with carefully timed light treatments.
• The study showed that chronotherapy improved the effectiveness of blood pressure medications.
• Chronotherapy involves taking certain medications at specific times to maximize their benefits.
• The sleep clinic recommended chronotherapy to help reset the teenager’s disrupted circadian rhythm.