Digitization. When an analog waveform is converted to a digital file, the analog information must first be translated into bits. This is done through sampling, a process performed by a computer's Analog to Digital Converter (ADC) hardware.
For example, the drowsiness effect of trazodone can be helpful for people who have insomnia. Trazodone is especially useful as a sleep aid in people with depression, since it is effective for both insomnia and depression. Conversely, some antidepressants are likely to cause insomnia, even when taken in the morning. Trazodone can be used to treat insomnia caused by other antidepressant medications.
The subjects in that study did not have a history of heavy cannabis use, so the effect on sleep may have to do with tolerance. One effect on sleep seems fairly consistent: THC reduces the amount of time a person spends in rapid eye movement sleep, the phase of sleep where most dreaming occurs. 7. Reduced pain