<s>
SleepBot	B-Application
was	O
an	O
alarm	O
clock	O
and	O
sleep	O
tracker	O
available	O
as	O
both	O
a	O
mobile	B-Application
application	I-Application
and	O
web	B-Application
application	I-Application
.	O
</s>
<s>
The	O
mobile	O
version	O
worked	O
with	O
Android	B-Application
and	O
iOS	B-Application
smartphones	B-Application
and	O
tablets	B-Device
;	O
the	O
web	O
version	O
worked	O
on	O
any	O
modern	O
computer	O
with	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
Jane	O
Zhu	O
,	O
a	O
member	O
of	O
the	O
development	O
team	O
,	O
wrote	O
that	O
SleepBot	B-Application
development	O
ceased	O
.	O
</s>
<s>
The	O
last	O
update	O
,	O
SleepBot	B-Application
1.3	O
for	O
iOS	B-Application
,	O
was	O
released	O
in	O
April	O
2016	O
to	O
improve	O
iOS	B-Application
9.3	O
compatibility	O
.	O
</s>
<s>
SleepBot	B-Application
3.2.8	O
for	O
Android	B-Application
is	O
no	O
longer	O
available	O
from	O
the	O
Google	B-Application
Play	I-Application
Store	I-Application
.	O
</s>
<s>
SleepBot	B-Application
1.3	O
for	O
iOS	B-Application
is	O
no	O
longer	O
available	O
from	O
the	O
App	O
Store	O
.	O
</s>
<s>
SleepBot	B-Application
included	O
two	O
main	O
features	O
:	O
"	O
sleep	O
debt	O
estimation	O
"	O
and	O
"	O
smart	O
alarms.	O
"	O
</s>
<s>
SleepBot	B-Application
claims	O
to	O
estimate	O
how	O
much	O
sleep	O
debt	O
the	O
user	O
has	O
incurred	O
.	O
</s>
<s>
Modern	O
devices	O
running	O
Android	B-Application
and	O
iOS	B-Application
have	O
built-in	O
microphones	O
and	O
accelerometers	O
.	O
</s>
<s>
SleepBot	B-Application
's	O
"	O
smart	O
alarm	O
"	O
feature	O
is	O
designed	O
to	O
attempt	O
to	O
wake	O
the	O
user	O
during	O
non-REM	O
sleep	O
.	O
</s>
<s>
SleepBot	B-Application
's	O
"	O
smart	O
alarm	O
"	O
feature	O
is	O
designed	O
to	O
attempt	O
to	O
wake	O
the	O
user	O
during	O
non-REM	O
sleep	O
.	O
</s>
<s>
In	O
May	O
2015	O
,	O
a	O
fair	O
number	O
of	O
Google	B-Application
Play	I-Application
reviewers	O
complained	O
about	O
significant	O
unresolved	O
software	O
bugs	O
.	O
</s>
<s>
Some	O
of	O
the	O
Google	B-Application
Play	I-Application
reviewers	O
complained	O
about	O
problems	O
with	O
SleepBot	B-Application
's	O
smart	O
alarms	O
ringing	O
on	O
time	O
,	O
and	O
about	O
problems	O
with	O
SleepBot	B-Application
's	O
snooze	O
function	O
.	O
</s>
<s>
It	O
appears	O
that	O
these	O
problems	O
are	O
related	O
to	O
the	O
"	O
Doze	O
"	O
feature	O
included	O
in	O
Android	B-Application
6.0	I-Application
"	I-Application
Marshmallow	I-Application
"	I-Application
and	O
later	O
Android	B-Application
versions	O
.	O
</s>
<s>
The	O
workaround	O
for	O
SleepBot	B-Application
's	O
alarm	O
problems	O
is	O
to	O
exempt	O
SleepBot	B-Application
from	O
"	O
Doze	O
"	O
mode	O
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
SleepBot	B-Application
LLC	O
was	O
formed	O
by	O
Edison	O
Wang	O
and	O
Jane	O
Zhu	O
.	O
</s>
<s>
Later	O
Daniel	O
Amitay	O
joined	O
the	O
team	O
to	O
work	O
on	O
the	O
iOS	B-Application
app	O
.	O
</s>
<s>
SleepBot	B-Application
LLC	O
was	O
a	O
limited	O
liability	O
company	O
registered	O
in	O
Delaware	O
.	O
</s>
<s>
One	O
of	O
the	O
features	O
missing	O
from	O
SleepBot	B-Application
is	O
a	O
"	O
goals	O
"	O
feature	O
.	O
</s>
<s>
Competitors	O
,	O
including	O
Sleep	O
as	O
Android	B-Application
and	O
some	O
activity	O
trackers	O
,	O
include	O
a	O
"	O
goals	O
"	O
feature	O
which	O
allows	O
users	O
to	O
set	O
sleep	O
goals	O
.	O
</s>
