I have a good example of deep sleep here Battery Powered ESP8266 Temperature/Humidity Monitor with DHT11
You can skip the CayenneMQTTWiFiClient.h modifications if you notice your device never has problems connecting.
I have a good example of deep sleep here Battery Powered ESP8266 Temperature/Humidity Monitor with DHT11
You can skip the CayenneMQTTWiFiClient.h modifications if you notice your device never has problems connecting.