System and method for evaluating task effectiveness based on sleep pattern
First Claim
1. A method of evaluating the effectiveness of a person to perform a task based on previous or predicted sleep pattern comprising the steps of:
- modeling circadian oscillators for the person;
calculating the amount of effective sleep in a sleep reservoir for the person based on the person'"'"'s sleep and activity pattern; and
calculating an effectiveness of the person to perform said task based on said oscillators and said sleep reservoir.
2 Assignments
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Accused Products
Abstract
A method for evaluating the effectiveness of a person to perform a task based on his/her previous or predicted sleep activity is provided. The method can be used to predict changes in task effectiveness at any time of day, based upon numerous patterns of sleep and activity, either experienced or planned for the future. The method take into account progressive increases in sleep deprivation, the effects of the time of day on performance, and changes in the time when a person sleeps and works. The method also accounts for the quality of a sleep interval and a person'"'"'s sleep inertia, the temporary slowing of performance immediately after awakening. The method is homeostatic. Gradual decreases in sleep debt decrease sleep intensity. Progressive increases in sleep debt produced by extended periods of less than optimal levels of sleep lead to increased sleep intensity. As a result the method can predict the normal decline in sleep intensity during the sleep period and the normal equilibrium of performance under less than optimal schedules of sleep.
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Citations
48 Claims
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1. A method of evaluating the effectiveness of a person to perform a task based on previous or predicted sleep pattern comprising the steps of:
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modeling circadian oscillators for the person;
calculating the amount of effective sleep in a sleep reservoir for the person based on the person'"'"'s sleep and activity pattern; and
calculating an effectiveness of the person to perform said task based on said oscillators and said sleep reservoir. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 26, 27, 28, 29, 30)
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23. A method of evaluating the effectiveness of a person to perform a task based on his/her previous or predicted sleep pattern comprising the steps of:
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modeling circadian oscillators for a person including the steps determining sleep propensity and performance rhythm;
calculating a sleep intensity for the person based on said sleep propensity and sleep debt;
determining if the person'"'"'s sleep experienced any fragmentation;
calculating the amount of effective sleep in a sleep reservoir for the person;
determining the person'"'"'s sleep debt based on said amount of effective sleep in a sleep reservoir resulting from sleep accumulation;
calculating sleep accumulation based on said sleep intensity and said fragmentation;
determining sleep inertia for the person; and
calculating the effectiveness of the person to perform said task based upon said circadian oscillators, said amount of effective sleep in said sleep reservoir, and said sleep inertia.
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25. A method of evaluating the effectiveness of a person to perform a task based on sleep patterns comprising the steps of:
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modeling circadian oscillators for the person;
determining the person'"'"'s sleep debt;
calculating the amount of effective sleep in a sleep reservoir for the person;
determining if the person'"'"'s sleep experienced any fragmentation; and
calculating the effectiveness of the person to perform said task.
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31. A system of evaluating the effectiveness of a person to perform a task based on sleep pattern comprising:
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at least one input device for entering sleep/wake data;
a microprocessor that models circadian oscillators, calculates an amount of effective sleep in a sleep reservoir based on a sleep and activity pattern, and calculates an effectiveness to perform a task based on said oscillators and said sleep reservoir, based on said sleep/wake data; and
a display to show said effectiveness results. - View Dependent Claims (32)
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33. A computer readable medium having computer-executable instructions for evaluating the effectiveness of a person to perform a task based on sleep pattern comprising the steps of:
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modeling circadian oscillators for a person;
calculating the amount of effective sleep in a sleep reservoir for the person based on their sleep and activity pattern; and
calculating an effectiveness of the person to perform said task based on said oscillators and said sleep reservoir. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A computer-readable medium having computer-executable instructions for evaluating the effectiveness of a person to perform a task based on sleep pattern comprising the steps of:
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modeling circadian oscillators for a person including the steps of modeling circadian oscillators further comprises determining sleep propensity and performance rhythm;
calculating a sleep intensity for the person based on said sleep propensity and said sleep debt;
determining if the person'"'"'s sleep experienced any fragmentation;
calculating the amount of effective sleep in a sleep reservoir for the person;
determining the person'"'"'s sleep debt based on said amount of effective sleep in a sleep reservoir resulting from said sleep accumulation;
calculating sleep accumulation based on said sleep intensity and said fragmentation;
determining sleep inertia for the person; and
calculating the effectiveness of the person to perform said task based upon said circadian oscillators, said amount of effective sleep in said sleep reservoir, and said sleep inertia. - View Dependent Claims (44, 46, 47, 48)
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45. A computer-readable medium having computer-executable instructions for evaluating the effectiveness of a person to perform a task based on sleep pattern comprising the steps of:
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modeling circadian oscillators for the person;
determining the person'"'"'s sleep debt;
calculating the amount of effective sleep in a sleep reservoir for the person;
determining if the person'"'"'s sleep experienced any fragmentation; and
calculating the effectiveness of the person to perform said task.
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Specification