0 1 2 3 Thu 20 Mar 1947 Tue 25 Mar 1947 Sun 30 Mar 1947 Fri 04 Apr 1947 Wed 09 Apr 1947 Mon 14 Apr 1947 Sat 19 Apr 1947 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