[
    {
        "total_sleep_time": {
            "value": 465,
            "unit": "min"
        },
        "effective_time_frame": {
            "time_interval": {
                "start_date_time": "2016-02-05T20:35:00-08:00",
                "end_date_time": "2016-02-06T06:35:00-08:00"
            }
        }
    },
    {
        "total_sleep_time": {
            "value": 7.25,
            "unit": "h"
        },
        "effective_time_frame": {
            "time_interval": {
                "start_date_time": "2016-02-05T07:00:00-08:00",
                "end_date_time": "2016-06-06T07:00:00-08:00"
            }
        },
        "descriptive_statistic": "average",
        "descriptive_statistic_denominator": "d"
    },
    {
        "total_sleep_time": {
            "value":3, "unit": "h"
        },
        "effective_time_frame": {
            "time_interval": {
                "duration": {
                    "value": 10,
                    "unit": "d"
                },
                "end_date_time": "2013-02-05T07:35:00Z"
            }
        }
    },
    {
        "total_sleep_time": {
            "value":3, "unit": "h"
        },
        "effective_time_frame": {
            "time_interval": {
                "date" : "2013-02-05",
                "part_of_day": "evening"
            }
        }
    }
]