0 1 2 3 Tue 22 Feb 1921 Sun 27 Feb 1921 Fri 04 Mar 1921 Wed 09 Mar 1921 Mon 14 Mar 1921 Sat 19 Mar 1921 Thu 24 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