@Rhonda4 couple of possible reasons first your broadband connection was down due to overnight maintenance work or possibly if you have Sky Q boxes one of those is set to eco stanby mode that turns off itsWiFi hot spot from 2.30 to 5.45am. If thr latter seems possible change the standy setting on the Q box to active or none. The former is unavoidable.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
