Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Standard Notes - A safe place for your notes, thoughts, and life's work
Sleep Time - Alarm Clock - Sleep Time provides insight into your sleep patterns. By tracking your level of movement throughout the night, Sleep Time generates customized sleep data in easy-to-read charts.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.