Smart light bulb Sleep Mode not working

i have continuous issues via connectivity for all my roku devices and it is extremely frustrating. i can’t use the roku app for my tv because it just never stays connected and constantly disconnects from my phone and says it needs to wake up my tv even though i was just using it fine!! i recently purchased some smart roku bulbs and have been trying endlessly to set up the sleep settings. it worked one time and just won’t work again. there no error or connectivity issues it just doesn’t turn my bulbs on and off when i need. i’m going out of town and i need this function to work. i’ve already tried re pairing my bulbs and un screwing them, nothing has worked im getting really frustrated with this company.