What is the reason behind to small power consumption peaks at every 6 milliseconds when CPU is in low power Sleep mode

What is the reason behind to small power consumption peaks at every 6 milliseconds when CPU is in low power Sleep modehttps://devzone.nordicsemi.com/f/nordic-q-a/26215/what-is-the-reason-behind-to-small-power-consumption-peaks-at-every-6-milliseconds-when-cpu-is-in-low-power-sleep-modeWhen I am using power manage function to keep device low power mode, for every 6 milliseconds I am getting small spike of ~300 micro Amp and average current of 300 micro Amp for 400 micro Seconds. I attached images below. Sleep_peaks.PNG Sleep_peaken-USTelligent Community 13Tue, 24 Oct 2017 10:25:16 GMTRE: What is the reason behind to small power consumption peaks at every 6 milliseconds when CPU is in low power Sleep modehttps://devzone.nordicsemi.com/thread/103239?ContentTypeID=1Tue, 24 Oct 2017 10:25:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4aac7d49-9f11-4793-b3c4-4447959ca7f3Bjørn Kvaale<p>Which device are you using? Are you using a dev kit or your own custom board? Are you using an SDK example or is it your own custom code?</p><div style="clear:both;"></div>