Abstract: The methods, systems and devices provided herein relate to sleep-aid. Some embodiments include a vibration source and/or a sound source. In some embodiments, the vibration source and/or sound source emit vibrations and/or sounds that stimulate a subject's vagus nerve, or another nerve, to induce sleep or relaxation in the subject.

Abstract: The methods, systems and devices provided herein relate to sleep-aid. Some embodiments include a vibration source and/or a sound source. In some embodiments, the vibration source and/or sound source emit vibrations and/or sounds that stimulate a subject's vagus nerve, or another nerve, to induce sleep or relaxation in the subject.

Abstract: The methods, systems and devices provided herein relate to sleep-aid. Some embodiments include a vibration source and/or a sound source. In some embodiments, the vibration source and/or sound source emit vibrations and/or sounds that stimulate a subject's vagus nerve, or another nerve, to induce sleep or relaxation in the subject.

Abstract: A pillow cover device for promoting for a user restorative sleep and minimizing sleep inertia and fatigue upon waking comprising at least one non-invasive brain stimulator for stimulation of the brain at various selected frequencies; an alarm; sensors to monitor sleep; and a microprocessor, wherein the sensors provide the microprocessor data regarding the state of sleep of the user; wherein the microprocessor calculates brain activity indicating deep sleep slow-wave activity and activates the at least one brain stimulator to emit low frequency tones.