Effects of Photobiomodulation on Insomnia in the Elderly: Clinical Trials of Phototherapy Devices

Bright light will use a 5000-10,000 Lux LED light source. Exposure is for 60 minutes daily, between 7pm and 9pm.

Near-infrared light will use a wavelength of 850nm and a dose range of 1 - 6.5 joules/cm2. It is fixed on the neck with a band, the light source contacts the back of the neck, and is used for 60 minutes before going to bed.

After using the bright light device, then use the near-infrared light device on the back of the neck before going to bed.