0 1 2 3 Tue 30 Mar 1948 Sat 03 Apr 1948 Wed 07 Apr 1948 Sun 11 Apr 1948 Thu 15 Apr 1948 Mon 19 Apr 1948 Fri 23 Apr 1948 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