0 1 2 3 Fri 24 Dec 1920 Fri 31 Dec 1920 Fri 07 Jan 1921 Fri 14 Jan 1921 Fri 21 Jan 1921 Fri 28 Jan 1921 Fri 04 Feb 1921 Fri 11 Feb 1921 Fri 18 Feb 1921 Fri 25 Feb 1921 Fri 04 Mar 1921 Wed 09 Mar 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