# How can I let my Router sleep?

**URL:** <https://forums.digi.com/t/how-can-i-let-my-router-sleep/15589>\
**Category:** XBee Programamble (S2C & 900 HP)\
**Tags:** sleep, router, xbee, zigbee\
**Created:** [October 15, 2015, 9:27am UTC](https://forums.digi.com/t/how-can-i-let-my-router-sleep/15589 "2015-10-15T09:27:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![HMC](https://avatars.discourse-cdn.com/v4/letter/h/4bbf92/32.png) [@HMC](https://forums.digi.com/u/HMC)\
**Post date:** [October 15, 2015, 9:27am UTC](https://forums.digi.com/t/how-can-i-let-my-router-sleep/15589/1 "2015-10-15T09:27:11Z")

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I use the XBee ZigBee module.  
I want my Router and End Devece to be sleep,but when I use the “Short Cyclic Sleep” mode,and set my Router’s AT commend is “SO=0x00”,“SM=0x04”.  
That my End Device didn’t received any data from Router.

How can I let my Router sleep?  
How can I let my End Device can receive the data from the sleeping Router.

I let my data from Coordinator to Router and End Device:  
C\>R\>E

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**Author:** ![NicholasWilson](https://avatars.discourse-cdn.com/v4/letter/n/c77e96/32.png) [@NicholasWilson](https://forums.digi.com/u/NicholasWilson)\
**Post date:** [October 15, 2015, 9:34am UTC](https://forums.digi.com/t/how-can-i-let-my-router-sleep/15589/2 "2015-10-15T09:34:59Z")

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Zigbee routers cannot sleep only end points can sleep.

Routers can only sleep in a Digimesh network.

[http://www.digi.com/pdf/wp\_zigbeevsdigimesh.pdf](http://www.digi.com/pdf/wp_zigbeevsdigimesh.pdf)