diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 2193c92..ee03e48 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -103,6 +103,7 @@ BOARD_KERNEL_CMDLINE := console=ttyMSM0,115200n8 earlycon=msm_geni_serial,0xa880
 BOARD_KERNEL_CMDLINE += androidboot.hardware=qcom androidboot.console=ttyMSM0
 BOARD_KERNEL_CMDLINE += androidboot.usbcontroller=a600000.dwc3
 BOARD_KERNEL_CMDLINE += service_locator.enable=1
+BOARD_KERNEL_CMDLINE += lpm_levels.sleep_disabled=1
 BOARD_KERNEL_CMDLINE += loop.max_part=7
 
 BOARD_BOOTIMG_HEADER_VERSION := 1
diff --git a/rootdir/bin/init.qcom.post_boot.sh b/rootdir/bin/init.qcom.post_boot.sh
index a0ee820..74e78ff 100644
--- a/rootdir/bin/init.qcom.post_boot.sh
+++ b/rootdir/bin/init.qcom.post_boot.sh
@@ -218,6 +218,9 @@ case "$target" in
 
     # Turn off scheduler boost at the end
     echo 0 > /proc/sys/kernel/sched_boost
+
+    # Turn on sleep modes.
+    echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
     ;;
 esac