Exceptions on th sleep path more or less kill the device (it is half
alseep and is not on... but not off enough for the power button to work.
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
This has two useful properties. Firstly it means the watch will be
maintained in the background, allowing the REPL to be used for
notifications and other updates. Secondly it will save a little bit
of power by reducing the work needed to handle spurious wake ups.
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
