https://en.wikipedia.org/wiki/Clock#/media/File:Harrison_H4_clock_in_The_principles_of_Mr_Harrisons_time-keeper_1767.jpg Day 88 has 36 protein-coding genes (browser view) including the CLOCK gene.
CLOCK helps regulate circadian rhythms; it was discovered by mutating mice and looking for genes that were different in mice with altered sleep cycles. A common human variant of CLOCK is associated with sleep patterns, obesity, and depression.
Click here to see all 8646116 letters of Day 88 with CLOCK underlined.