0 1 2 3 Fri 12 Aug 1921 Sat 13 Aug 1921 Sun 14 Aug 1921 Mon 15 Aug 1921 Tue 16 Aug 1921 Wed 17 Aug 1921 Thu 18 Aug 1921 Fri 19 Aug 1921 Sat 20 Aug 1921 Sun 21 Aug 1921 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All