Goal 2: Reduce Human Disease

Understanding of chronobiological systems

We know that all life functions are based on circadian and other rhythms; chronobiological systems are interdependent in intricate ways. Disturbances and disorders in one part of a system may affect other vital systems in unexpected but far-reaching ways. Many aspects of circadian rhythms and sleep-wake regulation in normal, healthy humans have been charted. Much of the knowledge thus gained is assumed to be valid also ...more »

Submitted by (@nma120)

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Goal 1: Promote Human Health

ELUCIDATING BASIC MECHANISMS OF SLEEP DEFICIENCY AND CIRCADIAN DISRUPTION ON HEALTH THROUGH THE LIFESPAN

There are developing data from clinical studies that sleep deficiency and circadian disruption have multiple adverse consequences for health. The clinical data provide the base for mechanistic studies. Studies in animal models indicate that both circadian disruption and insufficient sleep later gene expression in peripheral tissues. Moreover, the effect of sleep loss in molecular changes in brain changes with age. ...more »

Submitted by (@jnoel0)

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Goal 4: Develop Workforce and Resources

NOVEL APPROACHES TO TRAINING IN SLEEP AND CIRCADIAN RESEARCH

Sleep and circadian disorders are relatively new areas of medicine. Most universities currently lack a critical mass of investigators to develop institutional T32 grants. Thus, there are, unfortunately, few such programs nationally. The Sleep Research Society has recognized this and is taking active steps to facilitate development of other T32 institutional training grants. This will not, however, help the majority ...more »

Submitted by (@jnoel0)

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Goal 2: Reduce Human Disease

DEVELOPMENT OF A PERSONALIZED APPROACH TO SLEEP AND CIRCADIAN DISORDERS

There is developing evidence of major individual differences in pathways to different common sleep disorders such as obstructive sleep apnea. Moreover, there is evidence of different clinical presentations of disease and different outcomes. For example, some subjects with obstructive sleep apnea who get excessive sleepiness while others do not. The latter are still at risk for other consequences of the disorder such ...more »

Submitted by (@jnoel0)

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Goal 1: Promote Human Health

INVESTIGATE DIFFERENTIAL VULNERABILITY TO SLEEP DEFICIENCY AND CIRCADIAN DISRUPTION

Studies in different subjects have shown that there are major individual differences in response to sleep loss and circadian disruption. Twin studies have shown that this is heritable. There needs to be an intensive effort to assess basis of these individual differences. This could include in-depth phenotyping studies, e.g., neuroimaging, genetic studies, “-omic” studies, epigenetic changes, etc.

Submitted by (@jnoel0)

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Goal 1: Promote Human Health

DESIGN AND EVALUATE INTERVENTION STRATEGIES TO IMPROVE SLEEP HEALTH AND CIRCADIAN DISRUPTION

Data indicate the association between short sleep and circadian disruption on a number of adverse outcomes such as cardiovascular disease, metabolic disorders, hypertension, etc. There is a need to move beyond association to interventions that can be shown to improve sleep duration and circadian disruption.

Submitted by (@jnoel0)

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Goal 3: Advance Translational Research

NEW INFRASTRUCTURE FOR CLINICAL RESEARCH IN SLEEP AND CIRCADIAN DISORDERS

Much of the current clinical research on sleep and circadian research depends on cohorts designed for other purposes. While this has been helpful, such studies have limitations. These limitations are related to availability of in-depth phenotyping data and questions as to whether individuals identified in population studies are equivalent to those who present clinically with specific disorders. These concerns could ...more »

Submitted by (@jnoel0)

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Goal 2: Reduce Human Disease

HEALTH CARE DISPARITIES IN DIAGNOSIS AND TREATMENT OF COMMON SLEEP AND CIRCADIAN DISORDERS

There is evidence of a higher prevalence of sleep and circadian disorders in different ethnic groups. This is true for both adult and pediatric subjects. There is also evidence that minority populations in lower socioeconomic groups do not seek evaluation for sleep disorders as frequently as other segments of our population. There is also evidence that they are less adherent to treatments such as nasal CPAP for obstructive ...more »

Submitted by (@jnoel0)

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Goal 2: Reduce Human Disease

Elucidate the different causes of circadian disorders, and tailor the treatment to the cause

There are several possible physiological causes of Circadian Rhythm Sleep-Wake Disorders (CRSWDs), including lack of sensitivity to light, over-sensitivity to light, deficiencies in the ipRGC cells of the retina, lack of melatonin production, long elimination time of melatonin, long intrinsic circadian period, differences in timing of sleep relative to internal circadian rhythms, differences in tolerance to phase mismatch, ...more »

Submitted by (@peter0)

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