Table 2.
Percentage of the Insomnia Group (IG) and the Normal Sleeper Group (NSG) Mentioning Each Category from the “Speak Freely” Procedure: Results for the Sleep Variables
| Category | % |
Direction | Good night |
Poor night |
||||
|---|---|---|---|---|---|---|---|---|
| IG | NSG | χ2 (1) | IG | NSG | IG | NSG | ||
| Sleep onset latency | 88 | 86 | 0.04 | Short sleep onset latency | 63 | 68 | 0 | 0 |
| Long sleep onset latency | 0 | 0 | 83 | 79 | ||||
| Awakenings in the night | 88 | 86 | 0.04 | No awakenings | 67 | 79 | 0 | 0 |
| Awakenings | 0 | 0 | 79 | 68 | ||||
| Anxiety, worry, mood in the night | 79 | 61 | 2.07 | No anxiety/positive mood | 50 | 29 | 0 | 0 |
| Anxiety/negative mood | 0 | 0 | 67 | 61 | ||||
| Total sleep time | 71 | 54 | 1.63 | Sleep for a long time/“enough” | 38 | 43 | 0 | 0 |
| Short time/“not enough” | 0 | 0 | 46 | 25 | ||||
| Sleep inducing activity the previous day | 63 | 36 | 3.71 | Sleep inducing activity | 42 | 21 | 0 | 0 |
| Activity not conducive to sleep | 0 | 0 | 50 | 21 | ||||
| Tiredness | 58 | 32 | 3.59 | Tired | 29 | 21 | 17 | 14 |
| Not tired | 4 | 4 | 12 | 7 | ||||
| Bed time | 54 | 61 | 0.23 | Go to bed early | 38 | 46 | 4 | 11 |
| Go to bed late | 8 | 4 | 29 | 39 | ||||
| Sleeping “well” | 46 | 46 | 0 | Sleep “well” or similar | 33 | 25 | 0 | 0 |
| Sleep “badly” or similar | 0 | 0 | 29 | 25 | ||||
| Body sensations (e.g., hunger, warmth) | 42 | 43 | 0.01 | Positive body sensations | 21 | 14 | 0 | 0 |
| Negative body sensations | 0 | 0 | 38 | 32 | ||||
| Restlessness of sleep | 42 | 32 | 0.51 | Restful sleep | 13 | 7 | 0 | 0 |
| Restless sleep | 0 | 0 | 42 | 29 | ||||
| Dreams | 38 | 46 | 0.42 | No dreams | 12 | 29 | 4 | 0 |
| Dreams | 13 | 18 | 25 | 25 | ||||
| Setting/context (e.g., whose bed, bed partner) | 29 | 25 | 0.11 | Sleep inducing context | 13 | 11 | 0 | 0 |
| Non sleep inducing context | 0 | 0 | 21 | 21 | ||||
| Quality of sleep on recent nights | 25 | 14 | 0.95 | Slept badly on recent nights | 13 | 11 | 8 | 4 |
| Slept well on recent nights | 4 | 0 | 4 | 0 | ||||
| Monitoring (e.g., clock watching) | 25 | 4 | 5.09* | No monitoring | 4 | 0 | 0 | 0 |
| Monitoring | 0 | 0 | 21 | 4 | ||||
| Use of substances (e.g., alcohol, drugs, caffeine) | 13 | 11 | 0.04 | Not taken substances/alcohol | 8 | 0 | 0 | 0 |
| Taken substances/alcohol | 4 | 0 | 4 | 11 | ||||
| Physiological arousal in the night | 13 | 4 | 1.45 | Not physiologically aroused | 0 | 0 | 13 | 4 |
| Physiologically aroused | 0 | 0 | 0 | 0 | ||||
| Pre-sleep expectation of how sleep would be | 13 | 0 | 3.71 | Expected good night's sleep | 4 | 0 | 0 | 0 |
| Expected poor night's sleep | 0 | 0 | 9 | 0 | ||||
IG = Insomnia Group (n = 24); NSG = Normal Sleeper Group (n = 28).
*P < .01, ** P < .001.