0 1 2 3 Thu 12 Apr 1956 Sun 15 Apr 1956 Wed 18 Apr 1956 Sat 21 Apr 1956 Tue 24 Apr 1956 Fri 27 Apr 1956 Mon 30 Apr 1956 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