iPhone 6S Overnight Reboot (Jailbreak related?)

{"os_version":"iPhone OS 9.0.2 (13A452)","bug_type":"301","timestamp":"2015-11-12 01:45:17.17 +1100"}
{
  "crashReporterKey" : "a5d4d50e0fdbac3b9442af25224ccb70a7f1085e",
  "kernel" : "Darwin Kernel Version 15.0.0: Thu Aug 20 13:11:13 PDT 2015; root:xnu-3248.1.3~1\/RELEASE_ARM64_S8000",
  "product" : "iPhone8,1",
  "incident" : "5EE86302-A461-46EE-809C-08046D2B92C9",
  "date" : "2015-11-12 01:45:17.17 +1100",
  "build" : "iPhone OS 9.0.2 (13A452)",
  "eventCode" : 0,
  "eventReason" : "System Memory exceeded limit: 413.06 MB vs 225.00 MB",
  "timeDelta" : -1,
  "memoryStatus" : {
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  "uncompressed" : 81582,
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},
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