Is it the mattress creaking or my joints?

0
0
23:59
30:16
36:57
26:44
30:16
33:32
46:35
01:32:35
56:04
49:49
31:21
36:43
21:01
26:39
14:04
27:35
21:33
28:03
07:03
51:39
25:41
12:00
35:40
07:59
08:00
33:26
36:39
43:58
25:22
11:51
07:15
12:37
32:42
12:05
06:36
16:48
08:02
10:30
29:34
10:22