To give you a better idea of what you can expect to spend, the average cost by type of wedding arrangement is below: 1  Bridal Bouquets : $100-150/each. 2  Bridesmaids Bouquets : $50-90/each. 3  Flower girl petals : $30-60. 4  Corsages : $15-20/each.
Irregular sleep-wake syndrome is sleeping without any real schedule. This disorder is very rare. It usually occurs in a person who has a problem with brain function and who does not have a regular routine during the day. The amount of total sleep time is normal, but the body clock loses its normal circadian cycle.
Deep Sleep. Deep sleep is the most refreshing sleep, as subjectively described by people after they wake up. Unfortunately, the older we get the less deep sleep we get. Deep sleep is stage 3 sleep (or stages 3 and 4 under the classification that includes a stage 4). On an EEG the voltage difference patterns over time show up as delta waves.