Advances in brain polysomnography in the 1950s lead to our current understanding of what happens in the brain as we sleep. When we go to sleep our brain progresses through five stages of sleep:
Stages 1 and 2 light sleep begins the process of slowing brain waves;
Stages 3 and 4 known as slow wave sleep [SWS] or deep sleep follows;
Stage 5 or rapid eye movement [REM] predominates in the last third of the night.
The preservation of this natural brain rhythm of sleep or sleep architecture is every bit as important as the overall sleep time. We need to experience all 5 stages of sleep in order to wake rested.
These stages are not necessarily experienced in chronological order but cycle throughout the night. In stages 1& 2 sleep the mind is in a light sleep, easily roused. Stages 3 & 4 are a deeper level of sleep where rousing is more difficult and people report feeling disoriented if awakened. In Stage 5, or REM sleep, the brain activity is similar to that when awake but the body remains in full muscle paralysis except for respiratory and cardiac function. This allows the mind to experience a full dream without consequent bodily movement.
To obtain a good nights sleep it is very important to avoid factors that disrupt sleep architecture. Our sleep environment, the medication we take, our diet and our thought patterns can directly impede sleep patterns. The good news is, however, these factors are eminently within our control to change and the preservation of constructive sleep architecture will result in better sleep.
Zenbev contains a natural source of tryptophan, the precursor of natural melatonin in a patented blend of ingredients which allows for the restoration of sleep architecture in a way that no other sleep remedy allows. The conversion of natural source tryptophan to natural melatonin occurs in the dark and continues as long as your bedroom is dark. This natural production of melatonin allows all night long is different from synthetic melatonin which dissipates quickly after it is ingested.