This week's theme is: Circadian Rhythm
Part 1: Article
[Vocabulary:]
restorative: (adj.) that which restores or recovers something
fragmented: (adj.) divided or broken into many small parts (fragments);
arousal: (n.) (in this case) a moment when one’s sleep is interrupted
circadian: (adj.) a process that works in 24-hour cycles; usually used to talk about sleep cycles
pacemaker: (n.) a small device implanted in the chest to help control one’s heartbeat
circadian pacemaker: (n.) a scientific term that refers to the 24-hour cycle one’s body goes through involving different systems such as the digestive system and the sleep cycle
Part 2: Video
[Vocabulary:]
rectify: (v.) correct or compensate for a mistake
sleep off: (v.) sleep to recover from being too tired, having eaten too much or drunk too much alcohol
heart rate: (n.) the speed at which one’s heart beats
assault: (n.) an attack
cardiovascular system: (n.) the system that circulates blood through one’s body; includes the heart and the blood vessels