not possible to see chart of log

What version of ElectricSleep are you using?
Beta 0.7.0
On what android device and android version?
Sony Ericsson X10Min pro, Android v2.1 update 1

What steps will reproduce the problem?
1. log a nights' sleep
2. press the log button
3. select the past night

What is the expected output? What do you see instead?
I expect to see the chart , but when it's only one entry, nothing happens. When 
I enter another entry, one of ca. 2 minutes, then I can see the chart of both 
entries.

Please provide any additional information below.
I don't know if it's abug or feature.

Original issue reported on code.google.com by tonnylaz...@gmail.com on 26 Apr 2011 at 5:27

scodemao / electricsleep

not possible to see chart of log #136