Today and every day of the 30-Day Eat Less Sugar Challenge, your goal in addition to watching this video is to eat less added sugar and replace added sugar with healthier whole, unprocessed foods.
Further reading of articles cited in this video:
Surabhi Bhutani, James D Howard, Rachel Reynolds, Phyllis C Zee, Jay Gottfried, Thorsten Kahnt (2019). Olfactory connectivity mediates sleep-dependent food choices in humans. eLife 8:e49053.