diff --git a/src/LoRa.cpp b/src/LoRa.cpp
index a16e55e..e48cc56 100644
--- a/src/LoRa.cpp
+++ b/src/LoRa.cpp
@@ -450,6 +450,11 @@ void LoRaClass::sleep()
   writeRegister(REG_OP_MODE, MODE_LONG_RANGE_MODE | MODE_SLEEP);
 }
 
+void LoRaClass::deepSleep()
+{
+  writeRegister(REG_OP_MODE, MODE_SLEEP);
+}
+
 void LoRaClass::setTxPower(int level, int outputPin)
 {
   if (PA_OUTPUT_RFO_PIN == outputPin) {
diff --git a/src/LoRa.h b/src/LoRa.h
index a7002b4..7cb859f 100644
--- a/src/LoRa.h
+++ b/src/LoRa.h
@@ -67,6 +67,7 @@ class LoRaClass : public Stream {
 #endif
   void idle();
   void sleep();
+  void deepSleep();
 
   void setTxPower(int level, int outputPin = PA_OUTPUT_PA_BOOST_PIN);
   void setFrequency(long frequency);