Construction is actually a very important step

  It can cause people to wake up repeatedly andcan lead to low levels of oxygen in the blood.  One of the studies included about 1,900 patients at Marin's sleepclinic who did not have high blood pressure.  Their average age was50. The researchers assigned participants to CPAP treatment if they hadsevere obstructive sleep apnea or a less severe form along withdaytime sleepiness.  Then they measured their blood pressure eachyear for an average of 11 years.  The investigators found that patients with sleep apnea who usedCPAP therapy were 29 percent less likely to develop high bloodpressure during the study than the "control" group,  which did nothave sleep apnea and did not receive CPAP.  However,  as Marinpointed out,  the people in the control group were "snorers,  andthey have been reported to have cardiovascular problems." The researchers also found that patients with sleep apnea who didnot use CPAP had higher rates of high blood pressure compared withthe control group.  For example,  the 10 percent of 922 participants who did not useCPAP at least four hours a night had a 78 percent higher risk ofdeveloping high blood pressure than the control group. The preparation work we need to do before construction is the purchase of materials, and in this process, we can make a relatively preliminary estimate of our materials through precise calculations, so that we are purchasing. Time will not cause a lot of buying.Secondly, what we should also think of is the construction process. Construction is actually a very important step, so we can start from this step and realize the efficient use of materials.Being able to use all kinds of equipment efficiently is the need of our work, and if we can use various materials efficiently, it will be very helpful for us, so we can do as much as possible to play the role of materials. To reduce unnecessary losses.Then theytracked participants' blood pressure and heart disease for anaverage of four years. At first the researchers did not see a statistically significantdifference between the groups.  However,  36 percent of the CPAPgroup was using the machine less than four hours a night.  In a follow-up analysis,  which the authors pointed out may be opento bias,  the researchers found that patients using CPAP for atleast four hours a night were 28 percent less likely than thecontrol group to develop high blood pressure.  Dr. Stuart Quan,  professor of sleep medicine at Harvard MedicalSchool in Boston,  wasn't surprised by the findings.  "I alreadybelieve that sleep apnea impacts [high blood pressure] and treatingwith CPAP reduces the risk,  so these studies do not affect my wayof thinking about this," he said.  Quan added that he prescribes CPAP to patients with at leastmoderate obstructive sleep apnea or those with sleep apnea andsymptoms such as daytime sleepiness or mood problems.