0 1 2 3 Sat 19 Feb 1921 Sat 26 Feb 1921 Sat 05 Mar 1921 Sat 12 Mar 1921 Sat 19 Mar 1921 Sat 26 Mar 1921 Sat 02 Apr 1921 Sat 09 Apr 1921 Sat 16 Apr 1921 Thu 21 Apr 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